Alfa Romeo was in times past a beacon of Italian design, performance and passion. Of late though it's been better known for a lineup of attractive but unremarkable hatchbacks. The 4C looks to turn the tide.

On today's show, we check out a website that visualizes 100,000 Wikipedia articles as a galaxy of "stars," a detailed restoration of Britain's first full-length science fiction film, and a do-it-yourself exoplanet detector made without high-powered telescopes.

A French computer science student just launched Wikigalaxy, a space-themed visualization of 100,000 Wikipedia articles you can explore at your leisure. Now you can actually tumble into a Wikipedia black hole online!

With Gmail auto-adding everyone you communicate with, pruning your address book is a must. However, you can now clean up with no worry of deleting the wrong information and not being able to get it back.